Enhancing the recovery of tiger nut (Cyperus esculentus) oil by mechanical pressing: moisture content, particle size, high pressure and enzymatic pre-treatment effects


Autoria(s): Ezeh, Onyinye; Gordon, Mike; Niranjan, Keshavan
Data(s)

11/08/2015

Resumo

Tiger nut (Cyperus esculentus) tuber contains oil that is high in monounsaturated fatty acids, and this oil makes up about 23% of the tuber. The study aimed at evaluating the impact of several factors and enzymatic pre-treatment on the recovery of pressed tiger nut oil. Smaller particles were more favourable for pressing. High pressure pre-treatment did not increase oil recovery but enzymatic treatment did. The highest yield obtained by enzymatic treatment prior to mechanical extraction was 33 % on a dry defatted basis, which represents a recovery of 90 % of the oil. Tiger nut oil consists mainly of oleic acid; its acid and peroxide values reflect the high stability of the oil.

Formato

text

Identificador

http://centaur.reading.ac.uk/41016/3/Effect%20of%20pre-treatment%20on%20pressing%20oil%20recovery%20revised.pdf

Ezeh, O. <http://centaur.reading.ac.uk/view/creators/21029085.html>, Gordon, M. <http://centaur.reading.ac.uk/view/creators/90000181.html> and Niranjan, K. <http://centaur.reading.ac.uk/view/creators/90000383.html> (2015) Enhancing the recovery of tiger nut (Cyperus esculentus) oil by mechanical pressing: moisture content, particle size, high pressure and enzymatic pre-treatment effects. Food Chemistry, 194. pp. 354-361. ISSN 0308-8146 doi: 10.1016/j.foodchem.2015.07.151 <http://dx.doi.org/10.1016/j.foodchem.2015.07.151>

Idioma(s)

en

Publicador

Elsevier

Relação

http://centaur.reading.ac.uk/41016/

creatorInternal Ezeh, Onyinye

creatorInternal Gordon, Mike

creatorInternal Niranjan, Keshavan

10.1016/j.foodchem.2015.07.151

Tipo

Article

PeerReviewed